Medical Definition of AtopyAtopy: The genetic tendency to develop the classic allergic diseases -- atopic dermatitis, allergic rhinitis (hay fever), and asthma. Atopy involves the capacity to produce IgE in response to common environmental proteins such as house dustmite, grass pollen, and food allergens. From the Greek atopos meaning out of place. Last Editorial Review: 5/13/2016 Back to MedTerms online medical dictionary A-Z List Need help identifying pills and medications? |


